It was a case of opposites attract for The Voice's resident country crooner and the pop star, who buddied up after meeting last year. "A few weeks ago somebody asked me, 'What about you and Adam's bromance. Is there anything to it?'" Shelton told PEOPLE in the duo's cover story. "And I sputtered off, 'Yeah, I'm going to make out with him.' The next thing you read is, 'Blake wants to kiss Adam.'"